Comparison of Three Tourniquet Application Methods in Primary Total Knee Arthroplasty Surgery
Knee Osteoarthritis
About this trial
This is an interventional treatment trial for Knee Osteoarthritis focused on measuring Total knee arthroplasty, Tourniquet, Blood loss, Volume loading test
Eligibility Criteria
Inclusion Criteria:
- Patients with osteoarthritis of the knee undergoing total knee arthroplasty with spinal-epidural anesthesia
- Age > 50 and < 80 years
- ASA (American Society of Anesthesiology Classification) II physical status
- Signed informed consent form
Exclusion Criteria:
- History of a bleeding disorder
- Current chronic anticoagulation therapy
- History of DVT (Deep Vein Thrombosis), thromboembolic complications, acute cardiac insufficiency
- Anemia before surgery required blood transfusion
- ASA I, ASA>=III physical status
- Age < 50 and > 80 years
- BMI (Body Mass Index) < 20 and > 40kg/m2
- Intravascular fluid infusion within 24 hours before study
- Chronic non-steroidal anti-inflammatory drug use (more than 6month daily use)
- Rheumatoid arthritis
- Diabetes mellitus
- Psychiatric illness (intake of other psychiatric medication than selective serotonin reuptake inhibitors)
- Alcohol intake 5 U daily
- Contraindication to epidural catheter insertion
- Surgery not by project surgeon
- Participation in the other study
- Active malignancy
- Previous open knee surgery
Sites / Locations
- Republic Vilnius University Hospital
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Other
Other
Other
Other
I tourniquet tactic
II tourniquet tactic
III tourniquet tactic
IV control group
Use volume loading test twice (before surgery and 24hrs postoperatively). Total knee arthroplasty performed under tourniquet. Lower limb tourniquet inflation- before incision, deflation- after bone cement set.
Use volume loading test twice (before surgery and 24hrs postoperatively). Total knee arthroplasty performed under tourniquet. Lower limb tourniquet inflation- before cement application, deflation- after bone cement set.
Use volume loading test twice (before surgery and 24hrs postoperatively). Total knee arthroplasty performed under tourniquet. Lower limb tourniquet inflation- before incision, deflation- after wound closure
Do not use volume loading test. Total knee arthroplasty performed under tourniquet. Lower limb tourniquet inflation- before cement application, deflation- after bone cement set.